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Health > Egg Quality

Egg Quality

Wrinked Egg

This category contains information about quality problems with eggs in poultry— such as soft or missing eggshells, calcium coated, wrinkled or misshaped eggs, watery whites, double yolks or blood spots.

Common Problems with Egg Quality

Articles and information about common quality problems we find with eggs and eggshells. 

Watery Egg Whites

As chickens get older, the quality of the egg that they lay will deteriorate. Older birds will lay eggs that have more watery albumen (what

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Wrinkled Egg

Wrinkled Egg Shells

Sometimes chickens will lay a wrinkled egg. These are normal eggs inside, with hard shells, but have wrinkled egg shells. So what causes these wrinkled eggs? And are they safe to eat?

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A Soft Shelled Egg

Soft, Thin or Missing Egg Shells

New chicken-keepers are often concerned when they find a soft-shelled egg, so this article aims to provide information about the causes of these strange eggs and provides some tips to preventing soft eggs.

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Double and Triple Yolk Eggs

Double Or Multi-Yolk Eggs

Double or multi yolk eggs, whilst very enjoyable, are actually a fault. They are common in young, laying hens, especially from hens that are from highly productive strains.

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Mini Eggs

Mini eggs are about quarter of the size of a normal egg. They usually don’t have a yolk inside, just the ‘white’ or albumen as

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Information about Eggs

Quail Eggs

Quail eggs weigh in on average at just 12 grams (compared to around 60g for a hens egg). They are enjoyed by most hard-boiled in

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My recommendations

If you would like a good reference book on poultry health, these are the books I would recommend.

Preventing Problems with Eggs

Wild birds consume many diverse foods and expend energy laying eggs but only inside a relatively short breeding season. For our domesticated poultry, laying eggs for most of the year puts significant nutritional demands on their body. Keeping our backyard flock fed correctly and in good health will help us to prevent problems with eggs.    

Feeding Chickens

Feeding Chickens

Domesticated chickens, especially modern hybrids, are fantastic egg layers; however, this performance increases nutritional demands, so how we feed our chickens has never been so

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poultry grit

Poultry Grit

In this article, you will learn about the purposes of the two different types of poultry grit and how you can feed these together as

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Verm-X pellets and liquid

Verm-X for Chickens

How good is Verm-X for chickens? Verm-X comes in a liquid or pelleted formulation and I tried it out over 6 months, but how can you be sure it’s working?

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Health: Categories

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External Problems

External Problems

Feathers, beak, skin, scales, spurs, eyes, comb, nails, legs and wings. Problems such as lameness, feather loss, external parasite infestation, frostbite, blindness, cuts and wounds.

Respiratory Diseases

Respiratory System

Respiratory problems including Avian Influenza, Aspergillosis, Gapeworm, Infectious Bronchitis and Mycoplasma.


Digestive System

Typical digestive system problems include internal parasites, loss of appetite, swollen crop, bad or sweet-smelling breath, diarrhoea, or messy bottoms.

Reproductive System

Reproductive System

Reproductive system problems include egg-laying problems (but not egg problems) in chickens and other poultry.

Wrinked Egg

Egg Quality

Common quality problems with eggs, such as soft or missing eggshells, wrinkled or misshaped eggs, watery whites, double yolks or blood spots.

Skeletal and Muscular problems

Skeletal, Muscular & Nervous System

Skeletal, muscular and nervous system problems.

Diseases such as Marek’s or Toxoplasmosis.

Cardiovascular and Organs

Cardiovascular & Organs

Diseases and disorders relating to major organs or the cardiovascular system include acute heart failure and Avian Leukosis.


Every effort has been made to provide accurate information about poultry diseases and illnesses, and it is provided in good faith; however, content on this website is for informational purposes only and is not intended as a substitute for veterinary advice. Reliance on any information provided on this website is solely at your own risk.